Add 42/12 and 20/27
1st number: 3 6/12, 2nd number: 20/27
42/12 + 20/27 is 229/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
42/12 = 42 × 9/12 × 9 = 378/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Add the two like fractions:
378/108 + 80/108 = 378 + 80/108 = 458/108 - 458/108 simplified gives 229/54
- So, 42/12 + 20/27 = 229/54
In mixed form: 413/54
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